The Weil McLain 511-624-450 is a high-precision differential pressure switch engineered specifically for CGi model boilers (sizes 25

or electric pilots directly to the main body for tailored control

Rugged Construction: Built with corrosion-resistant components to ensure longevity in mechanical rooms and outdoor enclosures

the MP8000 series design allows for the field installation of a pneumatic valve positioner (such as the PY-1010) if your application requires sequential operation or increased positioning power

Mitsubishi Electric R63Y05154 Reversing Valve 321894-708 The Weil McLain 511-624-450 isIntegrate the Mitsubishi Electric R63Y05154 Reversing Valve into your service inventory to ensure rapid restoration of heat pump functionality. This genuine OEM four way valve is the critical mechanical link for refrigerant flow inversion, enabling seamless transitions between heating and cooling cycles. Field tested for durability, the R63Y05154 is engineered for R 410A and R 22 refrigerants, maintaining the pressure differentials required for high